Defender Achievement/Trophy Guide
During Mission 11 'The Rhine
' you must destroy all 25 enemy planes while you are on the AA gun. This achievement is similar to the Ack Ack
achievement from Mission 2, however there are more planes and they are much faster making them harder to hit. If you should fail to hit one you Must
restart the checkpoint immediately otherwise if it checkpoints you'll have to start the entire mission over again.
The planes have a flight pattern which you can use to try kill them;3 MIDDLE - 5 LEFT - 4 RIGHT - 4 MIDDLE - 4 MIDDLE - 3 MIDDLE - 2 LEFT
Here is a video guide: